
Comandos Básicos de R
Asignacion de Variables
x<-2
y<-3
Impresion de Resultados
x
## [1] 2
y
## [1] 3
Operaciones Aritmeticas
suma <- x+y
suma
## [1] 5
division <- x/y
division
## [1] 0.6666667
Funcion Matematica
raiz_cuadrada <- sqrt(x)
raiz_cuadrada
## [1] 1.414214
z <- -3
signo <- sign(z)
signo
## [1] -1
signo2 <- sign(x)
signo2
## [1] 1
absoluto <- abs(z)
absoluto
## [1] 3
redondeo_arriba <- ceiling(division)
redondeo_arriba
## [1] 1
redondeo_abajo <- floor(division)
redondeo_abajo
## [1] 0
Vectores
a <- c(1,2,3,4,5)
a
## [1] 1 2 3 4 5
longitud <- length(a)
longitud
## [1] 5
promedio <- mean(a)
promedio
## [1] 3
resumen <- summary(a)
resumen
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 1 2 3 3 4 5
orden_ascendente <- sort(a)
orden_ascendente
## [1] 1 2 3 4 5
orden_descendente <- sort(a, decreasing = TRUE)
orden_descendente
## [1] 5 4 3 2 1
# Poner signo de interrogacion (?) para que te ayude de "R"
?sort
b <- c(6,7,8,9,10)
b
## [1] 6 7 8 9 10
suma_vectores <- a+b
suma_vectores
## [1] 7 9 11 13 15
Gráficas
plot(a,b, type = "b", main = "Ventar por Mes", xlab = "Mes", ylab = "M USD")

?plot
## Help on topic 'plot' was found in the following packages:
##
## Package Library
## graphics /Library/Frameworks/R.framework/Versions/4.2/Resources/library
## base /Library/Frameworks/R.framework/Resources/library
##
##
## Using the first match ...
Conclusiones
En este trabajo se pueden visualizar los comandos basicos de R para
asginar las variables, imprimir sus resultados, realizar operaciones
aritméticas y funciones matemáticas, operar vectores y generar
gráficas
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